/*
 * Copyright 2013-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.kubernetes.commons.leader;

import java.util.Optional;

import org.springframework.integration.leader.Candidate;
import org.springframework.integration.leader.event.LeaderEventPublisher;

/**
 * @author wind57
 */
final class LeadershipControllerStub extends LeadershipController {

	private Leader leader;

	LeadershipControllerStub(Candidate candidate, LeaderProperties leaderProperties,
			LeaderEventPublisher leaderEventPublisher) {
		super(candidate, leaderProperties, leaderEventPublisher);
	}

	@Override
	public void update() {

	}

	@Override
	public void revoke() {

	}

	@Override
	protected PodReadinessWatcher createPodReadinessWatcher(String localLeaderId) {
		return null;
	}

	@Override
	protected void handleLeaderChange(Leader leader) {
		this.leader = leader;
	}

	@Override
	public Optional<Leader> getLocalLeader() {
		return Optional.ofNullable(leader);
	}

}
